<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片去 -->
        <el-card>
            <!-- 第二步为echarts创建一个容器 -->
            <div id="main" style="width: 750px;height:400px;"></div>
        </el-card>
    </div>
</template>
<script>
    //第一步导入echarts
    import echarts from 'echarts'
    import _ from 'lodash'
    export default {
        data() {
            return {
                //需要合并的配置对象
                options: {
                    title: {
                        text: '用户来源'
                    },
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'cross',
                            label: {
                                backgroundColor: '#E9EEF3'
                            }
                        }
                    },
                    grid: {
                        left: '3%',
                        right: '4%',
                        bottom: '3%',
                        containLabel: true
                    },
                    xAxis: [
                        {
                            boundaryGap: false
                        }
                    ],
                    yAxis: [
                        {
                            type: 'value'
                        }
                    ]
                },
            };
        },
        //页面初始化完毕后的钩子函数
        async  mounted() {
            //第三步初始化echarts图表
            var myChart = echarts.init(document.getElementById('main'))
            //第四部准备echarts配置项
            const { data: res } = await this.$http('reports/type/1')
            if (res.meta.status !== 200) {
                return this.$message.error('获取数据失败')
            }
            //合并配置项
            const results = _.merge(res.data, this.options)
            //第五步展示图表数据
            myChart.setOption(results)
        },

        methods: {

        },
    };
</script>
<style scoped>

</style>